The present invention relates to a simulated combat training firearm, in which a simulated bullet is supplied from a magazine and fired through a firing unit according to an operation of a trigger, wherein a trigger signal is generated according to the rotation of the trigger. A firearm body that is generated and driven by the launch unit according to a trigger signal; A battery detachably provided on the firearm body and receiving a trigger signal from the firearm body and supplying power to the firing unit; And measuring the current of the triggering signal transmitted to the battery to generate a firing value according to the measured value, and transmitting a firing signal so that power is supplied from the battery to the firing unit according to the firing value, and for a preset period of time after the firing signal is transmitted. It includes; a controller that cuts off the power. With this configuration, by measuring the current of the trigger signal transmitted to the battery to receive power for the operation of the launch unit according to the operation of the trigger, the number of shots can be checked through the current of the trigger signal to obtain an effect that enables more strategic play. I can.
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